Smoke Detector Test Tunnel Manufacturer | EN 54 & UL 268 Fire Alarm Testing Equipment

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Whats/App: +86 156 1874 6768

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Parameters

Unit	Specification
Temperature Range	0–55 °C, adjustable via heating rods
Variable Frequency Fan	Supply voltage: 220 V; Max. static pressure: 330 Pa; Adjustable air volume: 0–275 m³/h
Airflow Requirement	0.2 m/s
Optical Density Meter	Wavelength: 880–950 nm
Omega K-Type Sheathed Thermocouple	Diameter: 1.5 mm; Temperature measurement range: 0–1100 °C

Features

Steel structure chamber with anti-rust spray finish.

Observation glass on the chamber for visual monitoring of smoke distribution.

Independent control box for flexible laboratory layout.

Fan connected with soft couplings to reduce vibration impact on test data.

Equipped with an ion concentration meter to test the response threshold of ionization detectors.

Flash device included to simulate environmental lighting conditions.

Siemens dedicated temperature module for stable and reliable temperature data acquisition.

Imported Omega thermocouple with compensation wiring reduces temperature measurement deviations.

Programmable logic controller (PLC) enables system function control, paired with dedicated data acquisition modules.

Real-time data acquisition ensures stability and reliability.

Electrical components from reputable industry brands, controlled via industrial PC with dedicated software for real-time recording, storage, and visualization of test data.

Accessories

Observation glass

Variable frequency fan assembly

Heating rod modules

Optical density meter

Ion concentration meter

Flash simulation device

Omega K-type thermocouple and compensation wiring

Siemens temperature acquisition module

PLC controller with data acquisition modules

Industrial PC and dedicated software

Test Procedures

Install the smoke fire detector into the test chamber.

Power on the chamber and set the target temperature within 0–55 °C.

Activate the variable frequency fan and adjust airflow to 0.2 m/s.

Initiate the smoke generation process and monitor optical density readings.

Conduct threshold, repeatability, orientation, and airflow tests according to GB 4715-2005 protocols.

Use ion concentration meter to verify ionization detector response, if applicable.

Apply flash simulation to assess detector response under different lighting conditions.

Record all data in real time using the industrial PC and dedicated software for analysis.

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